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Touchpad click is a capacitive touch input device driven by Microchip’s low-powered MTCH6102controller. The touchpad surface is covered with a sheet of black plastic to demonstrate the chip’s support for cover layers (up to 3mm for plastic, 5mm for glass) Touchpad click communicates with the target MCU through the mikroBUS I2C interface (SCL and SDA pins), with additional functionality provided by the Interrupt and RSTL pins. Designed to use a 3.3V power supply.